Concrete lamp-post.



UNITED STATES. PATENT oEEroE".l

LO G. "IAASEfOF PASDENA, CALIFORNIA. 4

CONCRETE IlIiAlVlIIl-IPOS'I.`

l Specification of Letters` Patent. I I Patented BIay 21, 1912. Appiication aied Augtist 424, 191i.Y seriai No; 645,769.

To all whom it may concern? Be it known-thatl, LEO G. Haarsma citizen of the United States, residing at Pasadena. in the countyof Los ngeles and State of California, have invented new and useful Improvements in Concrete Lamp-Posts, of

'which the following isa specification.

This invention relates to improvements in lamp' posts and particularly to lamp posts `formed of cement-itious materials.y

`It is' an object of the invention to provide a lamp post formed of a plurality of sections and having a base which is so constructed that the wiring of the postfor lights, as in the installation of electric lamps, is facilitated, the said base also facilitating the connection of the lamp lightingcircuits with `the main circuits inthe streets.

In' the accompanying drawing forming apart of this specification, Figure 1 is a ver. tical central sectional post constructed in accordancewith the present invent-ion, the same b i ig setup for use i in the ground. Fig. Q is a perspective view on an enlarged scale of the base employed in constructing the lamp post. Fig. 3 is a perspective view of the upper shaft of the post, portions being broken away and shown 1n ysection to reveal the interior structure.

The details and features of the 'invention will now be more particularly described,

reference. being had to the said drawing in .v which- 1 indicates a base adapted to be set in the ground, and 9 an upper shaft or post por-l tion which is `secured'upon the base. The

base 1 while made in substantial proportions and of proper length tobe inserted Suthciently deep in tlie ground to hold the post firmly in place, is considerably lightened by forming it with recesses 3 and 4. The base is preferably lnade of cement, concrete or the. like and is provided with reinforcing Around the upper end of the base a ring or continuous inclosing bar G is employed to thoroughly strengthen the saine about the lower endl of the shaft '2 which is adapted to beset in said base. The upper end of 'thfl said post is .provided with a socket 7 made of view through a lamp suitable size to receive the lower cud of the' shaft Q. Tlicsaid socket T is iuade slightly larger than the end ,of the .shaft and when the said 'shaft is put in 'place in the said. socket a filling of green cement or other suitl able c einentitious material is placed around the shaft as indicated at S to properly secure the shaft to the base' as will be hereinafter described.

y The base is formed with centralwpassages 9 and lO'for facilitating -the connection of the parts and the' connectionof the-wires or electricv conductors used. The recess t is usually made of considerable .size to greatly lighten the basc'and entering tht` said rccesses at one side is an aperture 11 which is usually made in alinenient with the electric conductor ductswhich are laid in the ground.. The wires- 19 for the lamp employed ou thc post are brought into the post. structure through such aperture 11. The apertures or recesses of the post thus 4facilitate the setting of the post at intermediate pointsl along the line of a conductor for conductors located 'in' the ground. il' hen the post is set in the ground and the wires have been properly connected, the recess t is usualljvv filled in with the dirt for further anchoring the post in position. l

The recess 3 formed in the post is preferably arranged above the surface of the ground and studsl or -bolts 13 are fastened in the material of the postso as to project adjacentl to said recess 3 upon which a closing, cap of any desired form andinaterial may be secured for covering the recess after the lamp post has been set up.I

The shaft 2 is made of any desired con-A figuration and with ornamental""designs,

formed thereon or smooth and plain as prefer-red. ,The said shaft isl usually tapered"4 somewhat from its lower end toward the top and is generally formed about al. hollow core' 14 which extends from end to end through the post providing a passageway in the interi'or thereof. The said core or tubular cen-L tral portion may be made of light sheetl metal or of heavy paper tubinggor other' similar material and the cement, concrete o1"y otherplastic material of which the shaft'is formed is molded around the same. By. thus employing hollow core the spreading of the shaft due to the expansion of such a core and the consequent danger of cracking or splitting the saine is obviated. In employing heavy light metal or paper for the' tubing for such a purpose the expansion and contraction of the metal is liable to crack the cement exterior. Other reinforcing means is embedded in the shaft 2, as for instance longitudinally arranged bars or rods 15 which may be used in any de sired number.

1n assembling the parts after the base 1 has been set in the ground, a connecting pipe 16 is p'A 'sed through the shaft 2 and its lower end init-ted to proj ect into the recess 3. The ends of said tube'are preferably screw threaded y and by applying a nut 17 to the lower end thereof within said recess 3 the said pipe and shaft may be securely fastened tothe base 1. The upper end of the tube 1G is also .usually threaded and a cap vor collar 18 is screwed upon the saine, the cap usually havianges 19 int-.losing the upper ends of the shaft 2. rThe said cap or collar 1S may also be provided with a securing fiauge 2() for receiving aniT suitable` lamp covering globe 21 as clearly show'` in Fig. 1. n electric or other lamp ot vany preferred :torni is mounted upon the cap or collar 1S,

and in the case of an electric lamp. the wires or conductors 12 or' the post are passed upwardly through the tube 1G t'orfurnishing an electric current to the said lanip.

rlhe post constructed in the manner described is composed of several advantages,A

important among which is` that of the ifa* cility with which it may be packed and shipped. rflie/torinin'g of the post in two.

partsfenables them to be laid' side by side and makes it easier to accomplish the shipf also better adapted dling thereof.

`nserted in the tube 9 and per; j

nient therefot The fparts ofthe device are 'or the wiring and han- What I clain'i` is l A lamp "ost, comprising a base section and a shat section, both sections being formed of a cenientitious material, said base Asection being 'provided at the upper end ther-eeltl with socket adapted to receive the lower end ot the said sha'ftrsection and also having a laterally disposed recess therein,

said socket being connected tosaid recess I by vertically disposed passages, a reinforcing'nieans embedded in said base section ad.- .jacent to said .socket adapted to prevent the collapse ot' the 'material adjacent to the socleted end or" said base section, a hollow permanent core, said shaft section. being formed thereon, a hollow tube extending through said shaft section and through the \f'ertically disposed passage into said base section, and terminating in said laterally disposed recess in said base section, said tube being provided on its upper end with a bearing cap, and an adjustable clamping means on .the lower end of said tubel adapted to it'orce the tube and cap downwardly to maintain the shaft section in` rigid engagement'. with the base section.

In witness that l claim Ithe foregoing l. 

